JP4494803B2 - 動き補償に基づいた改善されたノイズ予測方法及びその装置とそれを使用した動画符号化方法及びその装置 - Google Patents
動き補償に基づいた改善されたノイズ予測方法及びその装置とそれを使用した動画符号化方法及びその装置 Download PDFInfo
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- JP4494803B2 JP4494803B2 JP2004000637A JP2004000637A JP4494803B2 JP 4494803 B2 JP4494803 B2 JP 4494803B2 JP 2004000637 A JP2004000637 A JP 2004000637A JP 2004000637 A JP2004000637 A JP 2004000637A JP 4494803 B2 JP4494803 B2 JP 4494803B2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/004—Diagnosis, testing or measuring for television systems or their details for digital television systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/53—Multi-resolution motion estimation; Hierarchical motion estimation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030000046A KR20040062257A (ko) | 2003-01-02 | 2003-01-02 | 움직임 보상에 기반한 개선된 노이즈 예측 방법 및 그장치와 이를 사용한 동영상 부호화 방법 및 그 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004215275A JP2004215275A (ja) | 2004-07-29 |
JP4494803B2 true JP4494803B2 (ja) | 2010-06-30 |
Family
ID=32653300
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004000637A Expired - Fee Related JP4494803B2 (ja) | 2003-01-02 | 2004-01-05 | 動き補償に基づいた改善されたノイズ予測方法及びその装置とそれを使用した動画符号化方法及びその装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7450639B2 (ko) |
EP (1) | EP1445961B1 (ko) |
JP (1) | JP4494803B2 (ko) |
KR (1) | KR20040062257A (ko) |
CN (1) | CN1320830C (ko) |
DE (1) | DE60315125T2 (ko) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005011283A1 (en) * | 2003-07-09 | 2005-02-03 | Thomson Licensing S.A. | Video encoder with low complexity noise reduction |
US7457438B2 (en) * | 2003-12-23 | 2008-11-25 | Genesis Microchip Inc. | Robust camera pan vector estimation using iterative center of mass |
US7480334B2 (en) * | 2003-12-23 | 2009-01-20 | Genesis Microchip Inc. | Temporal motion vector filtering |
US7499494B2 (en) * | 2003-12-23 | 2009-03-03 | Genesis Microchip Inc. | Vector selection decision for pixel interpolation |
US8472523B2 (en) * | 2004-08-13 | 2013-06-25 | Broadcom Corporation | Method and apparatus for detecting high level white noise in a sequence of video frames |
US7715645B2 (en) | 2004-11-17 | 2010-05-11 | Samsung Electronics Co., Ltd. | Methods to estimate noise variance from a video sequence |
KR100708118B1 (ko) * | 2005-01-07 | 2007-04-16 | 삼성전자주식회사 | 복수개의 변형 곱셈 테이블을 이용한 동영상 부호화 및복호화 장치와 그 방법, 및 이를 구현하기 위한프로그램이 기록된 기록 매체 |
US7773831B2 (en) * | 2005-05-10 | 2010-08-10 | Agfa-Gevaert N.V. | Method for visual inspection of size-reduced digital image |
KR100735561B1 (ko) | 2005-11-02 | 2007-07-04 | 삼성전자주식회사 | 이미지 센서로부터 발생되는 잡음을 저감하는 방법 및 장치 |
EP1865730A3 (en) | 2006-06-06 | 2010-01-20 | Sony Corporation | Video-signal processing method, program of video-signal processing method, recording medium having recorded thereon program of video-signal processing method, and video-signal processing apparatus |
KR100890640B1 (ko) * | 2007-11-30 | 2009-03-27 | 재단법인서울대학교산학협력재단 | 국부공간 제약정보 및 예측 노이즈 특성을 이용한 적응적영상복원방법 |
JP4768779B2 (ja) * | 2008-06-02 | 2011-09-07 | 株式会社東芝 | 動画像符号化/復号化の方法及び装置 |
FR2933520B1 (fr) * | 2008-07-04 | 2011-02-11 | Canon Kk | Procede et dispositif de restauration d'une sequence video |
US8310548B2 (en) * | 2009-10-23 | 2012-11-13 | Contec Llc | System and method for video quality parametric tests |
JP6249913B2 (ja) * | 2014-09-16 | 2017-12-20 | 三菱電機株式会社 | ノイズ除去装置、ノイズ除去方法及び画像符号化装置 |
US11062424B2 (en) * | 2019-10-09 | 2021-07-13 | Microsoft Technology Licensing, Llc | Systems and methods for motion adaptive filtering as pre-process to video encoding |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4221236C2 (de) | 1992-06-27 | 2002-01-03 | Thomson Brandt Gmbh | Verfahren zur Rauschreduktion für Videosignale |
JPH06224773A (ja) | 1993-01-26 | 1994-08-12 | Toshiba Corp | 高能率符号化回路 |
US5361105A (en) * | 1993-03-05 | 1994-11-01 | Matsushita Electric Corporation Of America | Noise reduction system using multi-frame motion estimation, outlier rejection and trajectory correction |
DE69523113T2 (de) | 1994-03-07 | 2002-06-06 | Koninklijke Philips Electronics N.V., Eindhoven | Rauschmessung |
EP0731601B2 (en) | 1995-03-06 | 2006-10-18 | Matsushita Electric Industrial Co., Ltd. | Video signal noise reduction apparatus |
JPH09163373A (ja) * | 1995-12-08 | 1997-06-20 | Toshiba Corp | 雑音低減装置 |
EP0809409B1 (en) | 1996-05-24 | 2001-08-29 | Matsushita Electric Industrial Co., Ltd. | Method and circuit to determine a noise value that corresponds to the noise in a signal |
US5978518A (en) * | 1997-02-25 | 1999-11-02 | Eastman Kodak Company | Image enhancement in digital image processing |
EP1126729A1 (en) * | 2000-02-18 | 2001-08-22 | STMicroelectronics S.r.l. | A process for estimating the noise level in sequences of images and a device therefor |
-
2003
- 2003-01-02 KR KR1020030000046A patent/KR20040062257A/ko not_active Application Discontinuation
- 2003-11-12 US US10/704,537 patent/US7450639B2/en not_active Expired - Fee Related
- 2003-12-19 DE DE2003615125 patent/DE60315125T2/de not_active Expired - Lifetime
- 2003-12-19 EP EP20030029460 patent/EP1445961B1/en not_active Expired - Fee Related
-
2004
- 2004-01-02 CN CNB2004100012306A patent/CN1320830C/zh not_active Expired - Fee Related
- 2004-01-05 JP JP2004000637A patent/JP4494803B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1445961A3 (en) | 2005-08-03 |
EP1445961B1 (en) | 2007-07-25 |
CN1320830C (zh) | 2007-06-06 |
US7450639B2 (en) | 2008-11-11 |
JP2004215275A (ja) | 2004-07-29 |
CN1518365A (zh) | 2004-08-04 |
DE60315125D1 (de) | 2007-09-06 |
DE60315125T2 (de) | 2007-12-13 |
EP1445961A2 (en) | 2004-08-11 |
KR20040062257A (ko) | 2004-07-07 |
US20050013378A1 (en) | 2005-01-20 |
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